Method and apparatus for verifying encryption of sip signalling

Details Method and apparatus for verifying encryption of sip signalling Method and apparatus for verifying encryption of sip signalling

H - Electricity

04

L

H04L 29/06 (2006.01) H04L 9/00 (2006.01) H04L 12/66 (2006.01)

Patent

CA 2551263

This invention relates to a method and apparatus for verifying encryption of SIP signalling. This invention relates to a method, system and computer program product for setting up a SIP communication session between at least two client SIP nodes over at least one proxy SIP node comprising: locating a proxy SIP node based on a destination client name and domain; setting up a secure signal connection between a calling client SIP node and the proxy SIP node; locating, from the proxy SIP node, the destination client IP address using the destination client name and domain; setting up an additional the secure signal connection from said proxy SIP node to a called client SIP node whereby the secure signal connection and the additional secure signal connection form a secure signal path; requesting the destination client SIP node return its IP address across the secure signal path; and using the returned IP address to set up a data connection between the calling client SIP node and the destination client SIP node.

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